[main] Update dependencies from dotnet/xharness dotnet/xliff-tasks mono/linker#7728

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dotnet-maestro[bot] merged 3 commits intomainfrom

darc-main-31ec37da-1dd2-4a24-aff6-e7e976b760b7

Aug 10, 2021

Commits on Aug 8, 2021

Update dependencies from https://github.com/dotnet/xliff-tasks build 20210807.1
dotnet-maestro[bot]
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Commits on Aug 9, 2021

Update dependencies from https://github.com/dotnet/xharness build 20210804.1
dotnet-maestro[bot]
committed

Commits on Aug 10, 2021

Update dependencies from https://github.com/mono/linker build 20210809.3
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